22225452556 has 6 divisors (see below), whose sum is σ = 38894541980. Its totient is φ = 11112726276.

The previous prime is 22225452551. The next prime is 22225452581. The reversal of 22225452556 is 65525452222.

It is not an unprimeable number, because it can be changed into a prime (22225452551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778181566 + ... + 2778181573.

Almost surely, 2^22225452556 is an apocalyptic number.

It is an amenable number.

22225452556 is a deficient number, since it is larger than the sum of its proper divisors (16669089424).

22225452556 is a wasteful number, since it uses less digits than its factorization.

22225452556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556363143 (or 5556363141 counting only the distinct ones).

The product of its digits is 480000, while the sum is 40.

The spelling of 22225452556 in words is "twenty-two billion, two hundred twenty-five million, four hundred fifty-two thousand, five hundred fifty-six".